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ESP-SMT Smart Modular Control System
22
M
If Point Source Drip is selected, a
series of notes will be displayed to
describe how to determine the net
application rate for point source
emitters.
a.
Continue to press
NEXT
to advance
to the next screen.
b.
Press the
NEXT
button.
c.
Press the
NEXT
button.
d.
Similar to other sprinkler types, the
default net application rate for point
source drip will appear.
e.
Use the
- or +
button(s) to change
the value until it matches the
conditions of the zone. Press the
NEXT
button and the CYCLE/SOAK
screen will appear.
M
DRIP
Zone 10
Net Application Rate:
NEXT
BACK
0.80 in/hr
M
POINT SOURCE EMITTERS
NEXT
BACK
1 of 3
Net Application Rate
is calculated as
(96.25 * Zone GPM) +
Estimated Soil Wetted
Area of all point
source emitters.
M
DRIP
Zone 10
Net Application Rate:
NEXT
BACK
0.60 in/hr
Drip Irrigation Emitter
Application Rates
Clay Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5
2.0’
3.14
0.26”
1
2.5’
4.91
0.33”
2
3.0’
7.07
0.45”
5
3.0’
7.07
1.13”
Loam Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5
1.5’
1.77
0.45”
1
2.0’
3.14
0.51”
2
2.5’
4.91
0.65”
5
2.5’
4.91
1.63”
Sandy Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5
1.0’
0.79
1.02”
1
1.0’
0.79
2.03”
2
1.25’
1.23
2.61”
5
1.25’
1.23
6.52”
M
POINT SOURCE EMITTERS
NEXT
BACK
1 of 3
Application Rate is
calculated by first
calcuting the Total
Zone GPM and
Estimated Wetted Area
in Sq Ft.
a.
d.
c.
M
POINT SOURCE EMITTERS
NEXT
BACK
1 of 3
Zone GPM is (# of
Emitters * Flow Rate
of Emitters in GPH)
and dividing by 60
b.
e.